Casillas' Porto team cruised to a 7-0 thrashing of Nacional on Saturday, putting the Portuguese giants ahead of Benfica at the top of the Primeira Liga.

That clean sheet was his 15th in 24 league games so far this season, and means he continues with the record of conceding just 11 times over the course of 2016-17.

No other goalkeeper can match Casillas' formidable keeping record, which is the finest in Europe.

Bayern Munich's Manuel Neuer comes closest with 13 goals conceded in 23 games, while the top five is rounded out by Sergio Asenjo of Villarreal, fellow legend Gianluigi Buffon at Juventus and Barcelona's Marc Andre ter Stegen.

Casillas is also comfortably out-performing Navas, his replacement at the Bernabeu after he was released at the end of the 2014-15 season.

The Costa Rican has conceded 20 in his 18 appearances for Madrid in La Liga this term, keeping a paltry four clean sheets - less than a third of the number managed by his predecessor.